What particular karyotype was once considered to be related to criminal predisposition?
What will be an ideal response?
XYY
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Individuals suffering from Crohn disease or irritable bowel syndrome may benefit from ____________________
Fill in the blank(s) with correct word
Low body temperature triggers adaptive responses to conserve heat. Once the integrating center detects that body temperature has risen, it will decrease these responses. What does this exemplify?
A. adaptation B. negative feedback C. positive feedback D. acclimatization
Sketch the main elements of an inducible operon, such as the lactose operon, and explain the functions
of the operator and promoter regions. What will be an ideal response?
Gills are unsuitable for animals living on land because
A) the large external surface area of gills would allow dehydration of the animal. B) air cannot diffuse across the gill surface. C) there is no way to get air into the gills. D) gills require high blood pressure.